network-transport-tcp test failed in Stackage Nightly

[juhp]

       Error: [S-1995]                                                                                        03:55:54 [7554/579255]
       Test suite failure for package network-transport-tcp-0.8.6
           TestTCP:  exited with: ExitFailure 1                   
       Full log available at /home/curators/work/unpack-dir/.stack-work/logs/network-transport-tcp-0.8.6-test.log
                                                                  
                                                                                                                                    
           Running "Use random port": ok
           Running "EarlyDisconnect": ok                                                                                            
           Running "EarlyCloseSocket": ok                                                                                           
           Running "IgnoreCloseSocket": ok                                                                                          
           Running "BlockAfterCloseSocket": ok                    
           Running "InvalidAddress": ok                                                                                             
           Running "InvalidConnect": ok                                                                                             
           Running "Many": ok                                                                                                       
           Running "BreakTransport": ok                                                                                             
           Running "Reconnect": ok                                                                                                  
           Running "UnidirectionalError": ok                                                                                        
           Running "InvalidCloseConnection": ok                                                                                     
           Running "MaxLength": ok
           Running "CloseEndPoint": ok
           Running "CheckPeerHostReject": ok
           Running "UnreachableSelfConnect": ok
           Running "UnreachableConnect": ok
           Running "PingPong": ok
           Running "EndPoints": ok
           Running "Connections": ok
           Running "CloseOneConnection": ok
           Running "CloseOneDirection": ok
           Running "CloseReopen": ok
           Running "SelfSend": ok
           Running "SendAfterClose": ok
           Running "Crossing": failed (exception: <<timeout>>
           Trace:
           0    []
           1    []
           2    []
           3    []
           )
           Running "CloseTwice": ok
           Running "ConnectToSelf": ok
           Running "ConnectToSelfTwice": ok
           Running "CloseSelf": ok
           Running "CloseEndPoint": ok
           Running "CloseTransport": ok
           Running "ConnectClosedEndPoint": ok
           Running "ExceptionOnReceive": failed (exception: thread blocked indefinitely in an MVar operation
           Trace:
           0    Left (TransportError ConnectFailed "user error (recvExact: Socket closed)")
           1    "127.0.0.1:41307:16"
           2    EndPointClosed
           )
           Running "SendException": ok
           Running "Kill": ok
           TestTCP: Uncaught exception ghc-internal:GHC.Internal.IO.Exception.IOException:
            
           user error (Some tests failed)
            
           While handling user error (Some tests failed)
            
           HasCallStack backtrace:
             throwIO, called at src/Network/Transport/Tests/Traced.hs:199:33 in network-transport-tests-0.3.4-IneVcpiwrWwBBIvnpUmDs7
:Network.Transport.Tests.Traced

[LaurentRDC]

Thanks. Unfortunately, many of the tests across packages in this repository are flaky. Making them not flaky is quite difficult.